Setup Wifi Re-insert the SD card in your SD card reader. # Use this file to configure your wifi connection(s). In the /boot/ directory, open octopi-wpa-supplicant.txt with the appropriate text editor. Is there something else I am missing? I'm hoping others will jump in with other common issues. Enter WiFi Settings. If you have more than one WiFi network in the area, the output will show a similar block for each network (generally a couple dozen lines of info for each WiFi network). I had this same problems as OP and many people who were in this thread. Plus, you'll need the OctoPi image, a few peripherals such as a keyboard and mouse, and image mounting software like Etcher. A sub-par cable can show the same symptoms as a weak power supply. It will now work without messing up your Pi's files. The "aa.bb" part may be a variety of numbers. There are also a number of other OctoPrint/OctoPi videos on YouTube which describe basic set-up as well as advanced options. For example, if you are in Switzerland, you would scroll down the page to find that the 2 letter code is "CH", and create a new line that looks like this: Your WiFi's SSID is hidden? Type in “http://octopi.local” (or the IP address assigned by your router to the RPi) on any browser. I guess I'm still looking for help. To troubleshoot why it might not be working, you can take a look at the log of the service which controls your WiFi: sudo journalctl -u ifup@wlan0.service Note: This first post in this topic is a wiki, so others can edit and add to it. documentation > configuration > wireless > wireless-cli Setting up a wireless LAN via the command line This method is suitable if you don't have access to the graphical user interface normally used to set up a wireless LAN on the Raspberry Pi. For a network named JoesWiFi with a password of 12345, it should look like this: Append these lines to the section you just edited: Try some of these suggestions if you are unable to connect to your Pi via your Wifi network: Some text editors, including Apple's TextEdit (included with macOS) and WordPad (included with Windows) make changes to the files you edit which render them unusable by the Pi's Raspian operating system. Electrically "noisy" devices often create radio frequency interference, which can wreak havoc with the Pi's WiFi signal. It looks something like this: There are several ways to check this (note: these are also good ways to find out your Pi's IP address). I was thinking of removing the original diagnostics post, now that it's in the first post, but I'm thinking it has been linked to from other posts here and from other sites, so I guess I'll leave it alone. The OctoPi image can be found at https://octoprint.org/download/. Under Format, choose "Plain Text". OctoPi editing the WiFi settings balenaEtcher would have ejected the SD card when it had finished creating the bootable OctoPi, so remove you SD card and re-insert it back into your computer. The IP address varies, but two commonly used setups are 192.168.1.1 and 192.168.0.1 You'll most likely need a username and password to log on to your router (get those from your ISP, if they will give them out). There are literally thousands of OctoPrint / OctoPi users successfully using a Raspberry Pi's wireless connection. Good idea. There is a plethora of information out there that explains why this is important; in case of doubt please use a search engine. To do this follow the directions on the OctoPi Download Page. The file you need to edit varies depending on which version of OctoPi you downloaded. Look for something that says DHCP, or LAN, or WLAN and see if it brings up a list of connected devices. I've taken care of it, no problem! See some of these further up: WiFi Signal Strength, Hidden SSID, Weak/Inadequate Power Supply, Electrical Interference. You should also use a good quality, class 10 SD card. If after a few minutes, that doesn't work, then you'll need to find your Raspberry Pi on your local network. For most WiFi networks, you'll edit the section that looks like this: Uncomment the 3 lines which have a single # front of them by deleting the # (do not delete any spaces after the #), then enter your WiFi network SSID (your network's "name") and the password in the indicated places. You are looking for active devices. Lets take a look at that process below. I'll give it a try. Before editing the files noted below, read the troubleshooting section below about using the appropriate text editor while editing this file. Powered by Discourse, best viewed with JavaScript enabled, OctoPi WiFi/network connection troubleshooting megatopic, Unable to use TP-link TL-WN823N with octopi, Octopi.local works sometimes & can't find Pi IP in router config. When you connect to the OctoPi via the webpage you will see a Setup Wizard popup, which will allow you to initially configure some settings on the OctoPi. To get started click “Next” at the bottom of this page. The differences can be hard to spot and can have you pulling your hair out. Actually, I'd forgotten to do the editing before booting on your RasPi of choice. start of the number is a very common sequence for home WiFi networks. Large corporate or school networks will likely be different.). This took me a while to figure out. This can cause all sorts of problems (including failing to boot), not just WiFi issues. This link is a pre-release build of the latest version. In short, you access the page by entering the router's IP address in your web browser's address bar. Or am I asking in the wrong place? This is the FAQ section. Run sudo raspi-config. If you are able to log into your Pi through an Ethernet connection or with an attached monitor and USB keyboard, the following command will show all of the WiFi networks your Pi can see (whether it can connect to them or not): Several lines down in the output from that command, you should see a line that looks like: Where "yourWiFI" is your WiFi network name (the SSID, the same name you use when connecting a device to the network). Check out this simple guide to learn how to set up OctoPrint for your Ender 3 using the latest Raspberry Pi Zero. Chargers are generally not required to provide tightly regulated voltage or may not be able to provide the peak current that the Pi requires. @John_Mc I've taken the liberty to move the contents of your "diagnostics" post into the top post as well - will hopefully get more people to see it. Likewise, plugging your Pi into the USB port of your laptop computer is not likely to work reliably. Close the preferences pane, then quit TextEdit and relauch. Now your Pi is configured for the network! The instructions linked above mention using Etcher (available for Windows, macOS, or Linux) to burn the image to your SD card. Note that the SSID and password are case sensitive. Those ports are usually limited in their current output. There are two sections in the file that are relevant: If you do not see your network listed in the output, then the Pi is simply not seeing the the network at all. This is my first board newer than a 3B, and I had no idea about having to configure wifi country. If you really want to use Apple's TextEdit on your Mac, it can be fixed by making a few changes to it's default preferences. (The use of /boot/octopi-network.txt which was used in OctoPi version 0.14 has been discontinued in version 0.15). Don't let formatting fears stop you from posting a fix that may be helpful to others. Since we have public edit diffs anyhow, I've now disabled that time limit. That way, we don;t have to edit it in two places if there is an update. (If you app shows both active and inactive, yu can usually set a filter to show only active devices.) A minimum of 2 amps. So I am back to wondering what could be wrong with my pi that has octopi OS. Items such as florescent lights, dimmer switches, some LED lights (typically, it's the power supplies in 110V LED lights, not the lights themselves), some electric motors, etc. There are instructions within that file for editing your network settings. If you have a card that has been working but starts getting flaky, it may be time to replace it. I am wondering if I have a hardware problem? Sure I could have done this with a simple IP Camera and in fact, I did, using a Wyze Cam for a print before I got OctoPi (check out the time-lapse of that print here) setup but I love Raspberry Pi and wanted to include one as well as the Raspberry Pi Camera. Now that your SD card is set up for a network connection, you should be able to boot your Raspberry Pi with the OctoPi OS and launch into OctoPrint. For example, if it is the WPA/WPA2 section you adjusted earlier, you now want it to look something like this: Save the changes and exit the text editor. When opening the thread, please share as much information as required in the template as possible. Launch TextEdit and go to TextEdit>Preferences. I fixed my problem by doing this: that worked for me, hope it does for someone else also. On your computer, insert the (micro)SD card, locate the partition called "boot" and open it. You'll need to to some additional changes or your Pi won't be able to find your network after all! I have used Angry IP Scanner and have accessed the router configuration files but the network does not see the pi. edit yup, there was a time limit of 60 days. This page assumes that your WiFi network is up and working and that other devices are able to connect to it without a problem. This thread is intended to detail a couple of common problems people have experienced and things to try to resolve them. My Pi that has been working but starts getting flaky, it may cause you intermittent.. Plethora of information out there you can also access the card just as you would external., Weak/Inadequate power supply trust SD cards can simply wear out over time and shared! Information as required in the `` boot '' and `` Smart Quotes '' ``! 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